from db import *

# view 6719955 post

def pretty_print(post_id:int) -> str:
    """
    Returns a pretty printed post
    """
    post = Post.get_by_id(post_id)
    def pretty_print_tag(tag):
        """
        Returns a pretty printed tag
        """
        return f"{tag.name}({tag.id})"
    
    def pretty_print_tags(tags):
        """
        Returns a pretty printed list of tags
        """
        return ", ".join([pretty_print_tag(tag) for tag in tags])
    
    fields = {"tag_list_general", "tag_list_artist", "tag_list_character", "tag_list_meta", "tag_list_copyright"}
    string = ""
    # start printing
    string += f"Post {post_id}\n"
    for field in fields:
        string += f"\t{field}: {pretty_print_tags(post.__getattribute__(field))}\n"
    return string

diff = {"tag_list_general": ["virtual_youtuber"], "tag_list_character": ["otonose_kanade"], "tag_list_artist": ["jb_jagbung"], "tag_list_copyright": ["hololive", "hololive_dev_is"]}

def get_ids_of_tags_from_difference(difference):
    """
    Returns a list of ids of tags from the difference
    """
    ids = dict()
    for tag_list in difference.values():
        for tag in tag_list:
            ids[tag] = Tag.get(Tag.name == tag).id
    return ids

def pretty_print_tags_from_difference(difference):
    """
    Returns a pretty printed string of tags from the difference
    """
    target_ids = get_ids_of_tags_from_difference(difference)
    string = ""
    for tag in target_ids:
        string += f"{tag}({target_ids[tag]})\n"
    return string

def main():
    print(pretty_print(6719955))
    print(pretty_print_tags_from_difference(diff))

if __name__ == '__main__':
    main()